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Assessment of air quality in preschool environments (3-5 years old children) with emphasis on elemental composition of PM10 and PM2.5

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dc.contributor.authorOliveira, Marta
dc.contributor.authorSlezakova, Klara
dc.contributor.authorDelerue-Matos, Cristina
dc.contributor.authorPereira, Maria Carmo
dc.contributor.authorMorais, Simone
dc.date.accessioned2017-01-17T10:25:35Z
dc.date.embargo2035
dc.date.issued2016
dc.description.abstractThis study evaluated concentrations of main air pollutants in a Portuguese preschool (indoors/outdoors) environment, with emphasis on elemental characterization of different PM fractions, and estimated risks for the pupils (aged 3-5 years). With exception to total volatile organic compounds, levels of PM10, PM2.5, CO, CO2, and formaldehyde were below legislative guidelines. Calcium, sodium, aluminium, and potassium were the most abundant elements in indoor PM (82-84% of the analysed content) resulting mainly from crustal sources. Carcinogenic elements (1-2% of the indoor analysed content) were mostly PM2.5- bound (83-91%). Indoor-to-outdoor ratios of individual elements indicated contributions of indoor origin and from penetration of outdoor emissions indoors; trace metals were associated with ambient anthropogenic emissions (namely traffic). Non-carcinogenic and carcinogenic risks from overall preschool exposure were acceptable for children; for adults carcinogenic risks exceeded (4-11 times) the USEPA recommend value of 10-6, being 8-40 times higher than for children.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.1016/j.envpol.2016.04.046pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.22/9280
dc.language.isoengpt_PT
dc.publisherElsevierpt_PT
dc.relation.ispartofseriesEnvironmental Pollution;Vol. 214
dc.relation.publisherversionhttp://www.sciencedirect.com/science/article/pii/S0269749116303128pt_PT
dc.subjectPreschoolspt_PT
dc.subjectIndoor air pollutantspt_PT
dc.subjectParticulate matterpt_PT
dc.subjectElemental compositionpt_PT
dc.subjectIndoor/outdoor (I/O)pt_PT
dc.subjectHealth riskspt_PT
dc.titleAssessment of air quality in preschool environments (3-5 years old children) with emphasis on elemental composition of PM10 and PM2.5pt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage439pt_PT
oaire.citation.startPage430pt_PT
oaire.citation.titleEnvironmental Pollutionpt_PT
oaire.citation.volume214pt_PT
person.familyNameDelerue-Matos
person.familyNameMorais
person.givenNameCristina
person.givenNameSimone
person.identifier1598822
person.identifier.ciencia-id9A1A-43FB-5C27
person.identifier.ciencia-idB111-BBFB-F200
person.identifier.orcid0000-0002-3924-776X
person.identifier.orcid0000-0001-6433-5801
person.identifier.ridD-4990-2013
person.identifier.scopus-author-id6603741848
person.identifier.scopus-author-id7007053747
rcaap.rightsclosedAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication09f6a7bd-2f15-42b0-adc5-04bd22210519
relation.isAuthorOfPublication7a9c7d63-a6c7-4159-b12d-b049b8c5c8f9
relation.isAuthorOfPublication.latestForDiscovery09f6a7bd-2f15-42b0-adc5-04bd22210519

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